"It's gonna take Meghan a long time to get her head around that House of Windsor," says Bravo reality star Julie Montagu. Montagu, who is from Illinois, knows a thing or two about marrying into British aristocracy. She married Luke Montagu, the next Earl of Sandwich. She reveals just what Meghan Markle can expect after she marries Prince Harry. InsideEdition.com's Keleigh Nealon (http://twitter.com/KeleighNealon) has more.